This is a label I’ve worn with shame most of my life. Picture a worrier and you’ll no doubt see some sort of hand-wringing neurotic constantly checking the sky like Chicken Little.

Then a few years ago I heard a radio interview with an astronaut that changed my perspective entirely.

The man in question was Chris Hadfield, who, after flying two space shuttle missions and serving as commander on the International Space Station wrote an excellent biography detailing his experiences. https://chrisha...